package P04集合线程安全.P01_List;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class P01_ThreadDemo1_List {
    /**
     * 演示list.add()方法的线程不安全
     * @param args
     */
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        for (int i = 0; i < 100; i++) {
            new Thread(() ->{
                list.add(UUID.randomUUID().toString().substring(0,8));
                System.out.println(list);
            },String.valueOf(i)).start();
        }
    }
}
